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12 years ago
What's the difference between an embryo, zygote, and a blastosyst?
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#1
12 years ago
A blastocyst is the structure formed in early embryogenesis, after the formation of the blastocoel, but before implantation.

A zygote is a cell that is the result of fertilization. (fertilization of an ovum with sperm.

An embryo is a multicellular diploid eukaryote in its earliest stage of development
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#2
12 years ago
They are developmental stages of the growing fetus of mammals.
1- Ovum = Unfertilized.
2- Zygote = Fertilized ovum ( sperm entered the ovum and fused with it).
3- Embryo = Developed zygote, divided into may cells.
4- Blastocyst  = Rounded relatively large embryo like the ball.
5- Fetus = Developed and differentiated into organs.
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